lanza, the monster who killed 20 children . and pbs is trying to find out why he did what he did and spotlighted the role his mother played. >> did you learn that nancy lanza had taken adam out of high school. >> yes. >> why do you think she took him out. >> i don't know, i pondered that for a long time. >> and you have a boy who was receiving a tremendous amount of support, suddenly, when she pulls him out of there, he loses all of those support groups and that's where he's fallen farther and farther into his proms. he didn't have the mental support group that he once had. >> bill: and john stossel, anchor, fox news channel. and this is the problem with adam lanza and people like him. there were warning signs, the teacher in the same school in newtown, they knew that he was a troubled kid, but his mother, for whatever reason, pulls him out of the school and then makes the situation worse, but in a free society his mother has a right to do whatever she wants to do. >> yes, and he was nowhere near the line where the state had any business to intervene. >> bill: he wasn't violent.